1 snatch, lay or catch hold of, fasten upon, grasp, seize; catch, grip, clutch; Colloq latch on to, get one's hands or fingers on, nab, US snag:
The thief grabbed my purse and ran. She grabbed the railing to break her fall.
2 appropriate, expropriate, seize, commandeer, take over, usurp, arrogate:
The general grabbed the reins of government in the coup.
3 arrest, capture, catch, Colloq nab, pinch, collar:
The police grabbed him as he was leaving the scene of the crime.
4 snatch, clutch; grasp, grip:
I made a grab for the rope.